Footsteps in the Fog is a 1955 British Technicolor FILM NOlR crime film starring real-life husband and wife team, Stewart Granger and Jean Simmons. The screenplay was co-written by Lenore Coffee and Dorothy Davenport. The film is based on the short story "The Interruption" by W. W. Jacobs.
It was shot at Shepperton Studios, with sets designed by the art director Wilfred Shingleton.
You can find out more about this movie from Wikipedia.